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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-04-04 20:59:59 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-04-04 20:59:59 +0000 |
| commit | 0c1953d8cf02edfae896b0a983d345ad61b13b9f (patch) | |
| tree | 2aabc37116844fb80d5e9f98b9c1c7a0a1503d1a /lib/CodeGen/SimpleRegisterCoalescing.h | |
| parent | 2d66cec9dd54b62c8b1e9b171e87fd17d419b13d (diff) | |
Extract physreg joining policy to a separate method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128844 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SimpleRegisterCoalescing.h')
| -rw-r--r-- | lib/CodeGen/SimpleRegisterCoalescing.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.h b/lib/CodeGen/SimpleRegisterCoalescing.h index 6e79a40c8b..65cf542836 100644 --- a/lib/CodeGen/SimpleRegisterCoalescing.h +++ b/lib/CodeGen/SimpleRegisterCoalescing.h @@ -138,6 +138,9 @@ namespace llvm { unsigned DstReg, unsigned DstSubIdx, MachineInstr *CopyMI); + /// shouldJoinPhys - Return true if a physreg copy should be joined. + bool shouldJoinPhys(CoalescerPair &CP); + /// isWinToJoinCrossClass - Return true if it's profitable to coalesce /// two virtual registers from different register classes. bool isWinToJoinCrossClass(unsigned SrcReg, |